package servlet.goods;

import util.DbUtil;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/DeleteGoodsServlet")
public class DeleteGoodsServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset=utf-8");
        int id=Integer.parseInt(req.getParameter("good_id"));
        DbUtil db = new DbUtil();
        String sql = "delete from goods where goods_id="+id+" ";
        if (db.executeUpdate(sql)<=0){
            resp.setContentType("text/html;charset=utf-8");
            resp.getWriter().print("<script language='javascript'>alert('删除成功');</script>");
            resp.sendRedirect("first_admin.jsp");
        }else {
            resp.setContentType("text/html;charset=utf-8");
            resp.getWriter().print("<script language='javascript'>alert('删除失败');</script>");
            resp.sendRedirect("first_admin.jsp");
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
